# Movement using sine

**URL:** <https://forum.kirupa.com/t/movement-using-sine/65051>\
**Category:** flash\
**Created:** [September 22, 2004, 4:33pm UTC](https://forum.kirupa.com/t/movement-using-sine/65051 "2004-09-22T16:33:50Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![musashi9](https://avatars.discourse-cdn.com/v4/letter/m/ea666f/32.png) [@musashi9](https://forum.kirupa.com/u/musashi9)\
**Post date:** [September 22, 2004, 4:33pm UTC](https://forum.kirupa.com/t/movement-using-sine/65051/1 "2004-09-22T16:33:50Z")

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Hi  
i have created a small animation using motion tweening and i was wondering if the same animation could be recreated using action script  
here it is  
[http://www.mn001c7645.pwp.blueyonder.co.uk/sine.html](http://www.mn001c7645.pwp.blueyonder.co.uk/sine.html)

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**Author:** ![system](https://canada1.discourse-cdn.com/flex011/uploads/kirupa/original/3X/6/2/621e5c11736f46532526e61be85940af4230f3e5.png) [@system](https://forum.kirupa.com/u/system)\
**Post date:** [September 22, 2004, 6:42pm UTC](https://forum.kirupa.com/t/movement-using-sine/65051/2 "2004-09-22T18:42:00Z")

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Like this (use with a mc ‘ball’ on the stage):

```auto

main_sine = 0;
radius_sine = 0;
radius = 0;
ball.onEnterFrame = function(){
	this._y = 250+Math.sin(main_sine)*radius;
	radius += Math.sin(radius_sine);
	main_sine += 0.1;
	radius_sine += 0.05;
}

```

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<div class="post-metadata">

**Author:** ![system](https://canada1.discourse-cdn.com/flex011/uploads/kirupa/original/3X/6/2/621e5c11736f46532526e61be85940af4230f3e5.png) [@system](https://forum.kirupa.com/u/system)\
**Post date:** [September 23, 2004, 6:12pm UTC](https://forum.kirupa.com/t/movement-using-sine/65051/3 "2004-09-23T18:12:54Z")

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Excelent thanks

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<div class="post-metadata">

**Author:** ![system](https://canada1.discourse-cdn.com/flex011/uploads/kirupa/original/3X/6/2/621e5c11736f46532526e61be85940af4230f3e5.png) [@system](https://forum.kirupa.com/u/system)\
**Post date:** [September 23, 2004, 6:17pm UTC](https://forum.kirupa.com/t/movement-using-sine/65051/4 "2004-09-23T18:17:36Z")

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Anytime.